Word Study
on air |
on all fours |
on an individual basis |
on an irregular basis |
on and off |
on and on
| on approval
| on average
| on base
| on board
| on call
on and on
THESAURUS
on and on
ad infinitum, again and again, always, at a stretch, at all times, ceaselessly, connectedly, constantly, continually, continuously, cumulatively, cyclically, daily, daily and hourly, day after day, day and night, endlessly, ever, ever and anon, ever more, every day, every hour, every moment, greater and greater, growingly, hour after hour, hourly, incessantly, increasingly, interminably, monotonously, month after month, more, more and more, night and day, on a stretch, on end, perennially, perpetually, rapidly, regularly, repetitively, right along, round the clock, steadily, sustainedly, together, unbrokenly, unceasingly, unintermittently, uninterruptedly, unrelievedly, unvaryingly, without a break, without cease, without letup, without stopping, year after year
For further exploring for "on and on" in Webster Dictionary Online